TWM315335U - Rotational speed detecting apparatus of an automobile - Google Patents

Description

M315335 VIII. New description: 【New technical field of the invention】 This creation is about the heart-side attack of the transmission component of a vehicle, especially the rotating component of the rotating component in the unit, and utilizes The vehicle's transfer of the debt measurement component rate data obtains the transmission of the vehicle [previous technology] and clothing. >White vehicle speed detection and installation of the "No-frillable transmission components to drive the heart, such as the Republic of China Announcement 帛 461507 patent, please New Zealand _ 亍 ^ 之 zhizhi light detection device" new unit 2, the rotation The moving part i contains - the rotating part 1 and the two debt test

The unit 2 is disposed on the end of the rotating member and has a plurality of notches 12 and a plurality of notches 12, and the miscellaneous member 1 is hidden by the rotating member i. The wall portion 11 is formed on the top of the ring wall portion η. The _ single system is equally spaced at the receiving end 22, and the transmitting end 21 is selected from the group consisting of a transmitting end 21 and a connecting device, #LED 〕, to emit - ^ light diode [UghtEmitting end 22 is selected from - optoelectronic crystal, multiplexing source to the receiving end 22. The receiving and emitting light source. "To receive the sensing of the transmitting end of the vehicle drive When the non-moving member a of the vehicle also drives the rotating member a#a to rotate, the transmission element 2 of the vehicle is relatively mixed with the miscellaneous movement. Since the wall portion 11 of the detecting unit 1 is detected, and the transmitting end 21 and the receiving end 22 of the detecting unit 2 are respectively located on opposite sides of the ring wall portion η, so that the light source continuously emitted by the transmitting end 21 is subjected to _ The ring wall part u is blocked by M315335. The light source cannot be directly connected to the connection (4) 22. _ Borrow, piece! The gap 12 is constantly ‘ between the hair 鳊 and the receiving end 22, the light source sent by the transmitting end 21. At the same time, the receiving and receiving 2 2 correcting the receiving end 22 4 base dfrHrU n Detecting / then early 兀 2 according to the number of receiving ί1, and the rotation of the rotating member 1 is 12, and the rotation of the rotating member 1 is obtained. rate. Generally speaking, the speed of the above-mentioned wealth management vehicle has the following shortcomings.

In view of the above, the present invention improves the above-mentioned disadvantages by connecting a rotating-rotating component in a casing, the end of the (four) component being connected to a transmission member of the vehicle and corresponding to the casing The plurality of reflecting surface setting units of the rotating component are arranged to reduce the rotation rate of the transmission member of the vehicle by the number of times the reflecting surface passes through the detecting unit. H, this creation can effectively reduce the volume of the component, so that the slewing member 1 must be provided with the ring wall portion 11 to block between the emission terminal 21 and the connection (four) 22 of =1 early = and provide each The moving member has a "one port area" and the lying unit 2 must also be rotated with the rotary disk so that the (four) vehicle's sneak detection device == low thickness and volume. In addition, since the vehicle is driven over: painting = (4) generates vibration and shaking or when the unit 2 is correspondingly assembled to the side of the element 1, if the detecting unit 2 is correspondingly disposed on the rotating member 1 - The side and the appropriate distance between the lying unit 2 and the moving element is insufficient. When the rotating member 1 is prevented from colliding with the unit 2 due to vibration, the damage of the rotation detecting device of the vehicle is changed. For the above reasons, it is necessary to further improve the speed_device of the above-mentioned conventional vehicle. C:\Linda\Plt Pat\PKI0191 doc A 6 00/12/05/02:21 Μ M315335 Assembly margin and extended service life. [New content] The main purpose of the present invention is to provide a rotation detecting device for a vehicle, which is provided with a rotating component rotatably mounted in a casing, and one end of the rotating component is connected to a transmission component of the vehicle so that The rotation rate data of the transmission member of the vehicle is obtained through a detection unit conversion, so that the creation has the effect of improving the assembly margin and prolonging the service life. The secondary objective of the present invention is to provide a vehicle speed detecting device, wherein: a middle rotating component is spaced apart from a side of a detecting unit to form a plurality of reflecting surfaces for ejecting from one of the detecting units The light source is reflected to one of the receiving ends of the detecting unit, so that the creation has the effect of reducing the component volume and improving the assembly margin. Another object of the present invention is to provide a vehicle speed detecting device, wherein one of the plurality of blades forms a bent portion to increase the corresponding area between a detecting unit and the plurality of blades, so that the creation It has the effect of improving measurement accuracy. • A rotational speed detecting device for a vehicle according to the present invention, comprising a housing, a rotating assembly and a detecting unit. The housing is provided with a shaft tube which is passed through a central portion of the bottom of the housing and has a shaft hole. The rotating assembly has no shaft and a rotating unit, and the rotating unit is disposed at one end of the shaft. The other end of the shaft is coupled to a transmission member of the vehicle, and the shaft is correspondingly inserted into the shaft hole of the shaft tube. The detecting unit is provided with a transmitting end and a receiving end, and the emitting end and the receiving end correspond to a plurality of reflecting surfaces facing the honest turning unit. Thereby, when the driving component of the vehicle drives the rotating component to rotate synchronously, the M315335 can obtain the number of turns of the transmission component of the vehicle in the unit time by the measuring unit, and further convert into the desired acquisition. The above and other objects, features and advantages of the present invention can be more clearly understood. The preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. As shown in FIG. 4, the vehicle speed detecting device of the first embodiment of the present invention comprises a casing 3, a rotating component 4 and a detecting unit 5 . The housing 3 has an accommodating space 3 容 for accommodating the rotating component 4 and the detecting unit 5 . The rotating assembly 4 is rotatably inserted into the housing 3, and one end of the rotating assembly 4 is connected to one end of the transmission member a of the two vehicles, so that the rotating assembly 4 forms the same with the transmission member a of the vehicle. $丨 rotates. The detecting unit 5 is disposed on one side of the rotating component 4, and is configured to detect the rotation rate of the rotating component 4 and convert the obtained rate data of the vehicle (for example, the driving speed or the engine). The rotation speed, etc., and the top cover 31, A shaft tube 34. The side wall portion 32 surrounds one side of the bottom plate 31 to form the accommodating space 30 and protect the rotating component 4 and the detecting unit 5 located in the accommodating space 30. The top cover 33 is disposed on the other side of the side wall portion 32 corresponding to the bottom plate 31 to prevent the rotating component 4 and the detecting unit 5 from being detached from the accommodating space 30. The shaft tube 34 is disposed at a central portion of the bottom plate 31, and the shaft tube 34 is provided with a shaft hole 340 for C:\L.nde\PK P».t\PK1〇194.doc.

00/12/05/02:21 PM M315335 The rotating assembly 4 is rotatably inserted. In addition, the shaft tube 34 is further provided with a supporting portion 341 formed at one end of the shaft hole 340 at the outer side of the housing 3 for the stable coupling of the driving member a of the vehicle surface. Referring to FIGS. 2 to 4 again, the rotating assembly 4 of the first embodiment of the present invention has a shaft 41 and a rotating unit 42 which is screwed to one end of the shaft 41 by a screw b, and A spacer c is disposed between the shaft 41 and the rotating unit 42 to increase the coupling reliability between the shaft 41 and the rotating unit 42. The shaft 41 can be selected from a tubular body, a cylinder or a geometrical linkage member. The rotating unit 42 of the present embodiment is selected from a blade. The rotating unit 42 is provided with a plurality of blades 421, and the rotating unit 42 can be selected from a material having a better light reflecting capability, or selected in the blade. The side surface of the detecting unit 5 is coated with a reflecting surface 421a. The detecting unit 5 is provided with a transmitting end 51 and a receiving end 52. The transmitting end 51 and the receiving end 52 are disposed on the same side of the rotating unit 42. The transmitting end 51 is selected from a light emitting diode [Ught Emitting]

Device, ie LED, emits a light source to the receiving end 52. The receiving end 52 is selected from a photoelectric crystal for receiving a light source that senses the emitting end 51. Referring to FIG. 4, when the vehicle of the present invention is mounted on the rotational speed side device of the first embodiment, the shaft 41 of the rotating assembly 4 is correspondingly inserted into the shaft hole 34G of the shaft tube 34 and the rotating assembly 4 is attached. The rotating unit 42 is located in the casing 3. Then, the 施 窨 加 加 加 辟 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本Alternatively, the transmission of the vehicle can be selected by means of welding or screwing, C:\liwlR\PK Pat\PKl0194.doc nr»/i2/fl5/m pm 9 — M315335 a with the axis 4 ==.: This implementation In the case of the transmission member of the vehicle, the coupling member 341 of the axle tube 34 is used to make the transmission member a of the vehicle closer to the end of the junction 3 of the vehicle. Finally, the side unit 5 is (four) to the receiving end 51 of the housing end 52 彡 =: = _ unit 5 and the reflecting surface 421a of the _ single - ^ θ 421. In addition, the 5 can also be attached to the shell of the reflective surface of the leaf.

& board 31. Furthermore, it is preferable to provide a body member (such as a ball bearing, a liquid bearing or a liquid bearing member) between the shaft 41 and the shaft tube % so that the rotating assembly 4 can smoothly correspond to the shaft tube 34. Turn. Referring to Figures 2 to 5, when the transmission member a of the vehicle is rotated, the transmission member a of the vehicle synchronously drives the rotation assembly 4 to rotate. At the same time, the detecting unit 5 continuously emits the light source toward the reflecting surface 421a of the blade 421, because each of the blades 421 has a notch [not shown] so that the transmitting end is in the process of rotating the rotating component 4 If the light source of the 51 shot > falls on the gap, the light source cannot be reflected back to the receiving end by the reflecting surface 4=a of the blade 421; conversely, if the light emitted by the emitting end 51 falls on the reflecting of the blade 421 On the surface 421a, the light source will be reflected back to the receiving end 52 by the reflecting surface 421a of the blade 421, so that the receiving end 52 receives a light source signal. Thereby, the number of the blades 421 of the rotating component 4 is determined according to the number of times of the light source signals received by the receiving end 52 while the transmission member of the vehicle is rotated, and the transmission member a of the vehicle is calculated in a unit time. The number of revolutions is further converted by the detection unit 5 C:\Unda\PK Pat\PK10IM.doc

06/12/05/02:21 W —10 — M315335 - Get the speed information for the vehicle. By reducing the volume of the component of the rotating component 4, and separately positioning the rotating component 4 and the detecting unit 5 at the bottom plate 31 and the top cover 33 of the housing 3, the assembly margin and the component of the present invention are increased. The collision is damaged. Referring to Figures 6 and 7, there is disclosed a vehicle speed detecting device of the second embodiment of the present invention. Compared with the first embodiment, the end of the blade 421 of the rotating component 4 of the second embodiment is further bent to form a bent portion 422 ′ and the bent portion 422 is adjacent to the side wall portion 32 of the casing 3 . The • reflective surface is located on the side. In addition, the detecting unit 5 is fixed on the inner peripheral surface of the side wall portion 32 of the casing 3 by means of a bonding, a clamping or a screwing, and the transmitting end 51 and the receiving end 52 of the detecting unit 5 are corresponding to each other. The opposite side faces the curved portion 422. Thereby, the area of the reflecting surface of the blade 421 is increased to provide a larger reflective area of the detecting unit 5, and the sensing accuracy of the detecting unit 5 is improved. Referring to Fig. 8, there is disclosed the apparatus for measuring the rotational speed of the vehicle of the third embodiment of the present invention. Compared with the first embodiment, the rotating unit 42 of the third embodiment is further selected from a circular disc, and the rotating unit 42 is selected to be made of the material having the reflective ability of the vehicle owner. In addition, the rotating unit 42 faces the side of the detecting unit 5 and selects a low-reflection paint to form a plurality of dark color surfaces 423, thereby forming a plurality of reflecting surfaces correspondingly between the dark color surfaces 423. 424. When the transmission member a of the vehicle synchronizes and drives the rotating assembly 4 to rotate, the light source emitted by the transmitting end 51 holds the -, ', κ uninterrupted Luo on the side of the detecting element 5. Since the side of the measurement only $ has both the dark color surface 423 and the reflection surface 424 which are alternately arranged,

Pftt\PKIOI94.doc —11 — 06/12/05/02:21 |>« M315335 When the light source emitted by the transmitting end 51 falls on the dark color surface 423, the partial light source is covered by the dark color surface 423 Absorbing, but not reflecting enough of the light source to return to the receiving end 52; conversely, if the light source emitted by the emitting end 51 falls on the reflecting surface 424, the light source will be reflected by the reflecting surface 424 back to the receiving end 52, so that The receiving end 52 receives a light source signal. Therefore, according to the number of times of the light source signals received by the receiving end 52, the number of the reflecting surfaces 424 is determined, and the number of turns of the transmission member a of the vehicle in one unit time is calculated, and further converted by the detecting unit 5 Obtain the rate information of the vehicle to be obtained. Referring to Fig. 9, there is disclosed a vehicle speed detecting device of the fourth embodiment of the present invention. Compared with the third embodiment, the rotating unit 42 of the fourth embodiment further forms a plurality of concave portions 425 at equal intervals on the side facing the detecting unit 5, and the reflecting surface 424 is formed between the concave portions 425. The reflecting surface 424 and the concave portion 425 have a predetermined height difference. When the light source emitted by the emitting end 51 falls directly on the concave portion 425, the light source reflected by the concave portion 425 passes through a long path, so as to be When the light source reflected by the concave portion 425 is reflected back to the receiving end 52, the intensity of the light source is insufficient to be recognized by the receiving end 52; conversely, if the light source emitted from the emitting end 51 falls on the reflecting surface 424, due to the reflection The path of the light reflected by the portion 424 is short, so that the light source reflected by the reflecting portion 424 is reflected back to the receiving end 52. The light source is strong and easily recognized by the receiving end. In this case, the rate data of the handle is obtained by converting the unit 5 further. As described above, it is compared to the C:\Linda\PK Pet\PKI0l94.doc of the speed side device of the F.

00/12/05/02:21 PM —12 ~ M315335

Volume: 1 is provided with a ring wall portion 11, so that it is not possible to effectively reduce the proper distance between the thicker household and the measuring unit 2 and the rotating member 1 == = moving member 1 due to vibration zone _ collision with the unit =!: vehicle Disadvantages of the damage of the transfer device, etc., == by the rotatably passing through the housing 3, the end of the rotating body 4 is connected to the transmission member a of the vehicle, and : The flipping is set corresponding to the plurality of reflecting surfaces 421a of the rotating component 4, so that the unit 5 passes the reversal of the striking member & Hunting this, this creation can effectively reduce the size of the component to increase the margin and extend the service life. , clothing - although this creation has been used in the miscellaneous records _ reveal, wealth is not used to = the original creation, any familiar with this skill in the spirit and scope of the creation of the "relative to the above implementation of various changes and modifications are still The technical material protected by this creation, therefore, the protection of this creation is subject to the definition of the patent application scope attached.

C:\Linda\PK Pat\PK10l94.doc ——13 —

0(5/12/05/02:2丨PN M315335 [Simple description of the diagram] : 1: Stereoscopic and schematic diagram of the vehicle's speed detecting device. Brother 2 Figure · The original creation - 转速 The speed of the vehicle Decomposition stereoscopic and partial perspective view of the detection device. Back to the creation of the first embodiment - the rotation speed of the vehicle_the top view of the display of the vehicle. A cross-sectional view of the test assembly. Fig. 5 is a schematic view of the combination of the vehicle's transfer device of the present invention, and a schematic diagram of the use of the device. Fig. 6 is a combination of the vehicle's rotational speed gamma device of the second embodiment of the present invention. Fig. 7 is a sectional view showing the combination of the rotational speed detecting and splitting of the vehicle of the second embodiment of the present invention. Fig. 8 is a perspective view showing the rotational speed of the vehicle according to the third embodiment of the present invention. Figure 9: A perspective view of the vehicle's speed debt measuring device according to the fourth embodiment of the present invention. [Main component symbol description] H ring wall portion 2 Detection unit U receiving end 30 accommodating space 1 Swirl member 12 Notch 21 Transmitter terminal 3 Housing C:\Linda\PK PAt\PK10l94. doc

〇*>/12/〇5/〇2:21 PM ~ 14 — M315335 31 Base plate 32 Side wall portion 33 Top cover 34 Shaft tube 340 Shaft hole 341 Retaining portion 4 Rotating assembly 41 Shaft 42 Rotating unit 421 Blade 421a. Reflecting surface 422 Bending portion 423 Dark color surface 424 Reflecting surface 425 Concave portion 5 Detection unit 51 Transmitting end 52 Receiving end a Vehicle transmission member b Screw c gasket

C:\Linda\PK Pat\PKI0194.doc —15 — 00/12/05/02:21 PM

Claims (1)

M315335 ' IX. Patent application scope: 1. A vehicle rotation speed detecting device, comprising: a rotating component having a shaft and a rotating unit, the rotating unit is disposed at one end of the shaft, and the other end of the shaft is combined with a a transmission component of the vehicle, so that the transmission component of the vehicle synchronously drives the rotating component to rotate; and a detecting unit corresponding to one side of the rotating unit of the rotating component, the detecting unit is provided with a transmitting end and a receiving end The transmitting end and the receiving end are correspondingly disposed on the same side of the rotating unit. Mm 2. The vehicle speed detecting device according to claim 1, wherein the rotating unit is selected from a blade, and the blade is provided with a plurality of blades, each of the blades having a reflecting surface, respectively. The transmitting end and the receiving end of the unit correspond to a reflecting surface facing the blade. 3. The vehicle-assisted rotation speed detecting device according to the second aspect of the invention, wherein the end portions of the raking blades respectively form a bent portion, and the reflecting surface is disposed at one side of the bent portion. 4. The vehicle speed measuring device according to the invention of claim 2, wherein a housing is further provided, the housing has a shaft tube, the shaft is disposed at the bottom of the housing, and the shaft tube has an axis hole. 5. The vehicle speed detecting device according to the fourth aspect of the patent application, wherein the housing further has a side step, a cover and a bottom detecting unit selected to be fixed on the top cover and the side wall. One of the department and the bottom. 6. According to the fourth embodiment of the invention, the housing has a bottom plate, and the shaft tube is disposed at a central portion of the M315335 of the bottom plate, and the end of the shaft hole of the shaft tube A support portion is provided for the corresponding combination of the transmission members of the vehicle. 7. The vehicle speed detecting device according to claim 1, wherein the detecting end of the detecting unit is selected from a light emitting diode to emit a light source to the receiving end of the detecting unit, The receiving end is selected from a photoelectric crystal for receiving a light source that senses the emitting end. 8. The vehicle speed detecting device according to claim 1, wherein the rotating unit faces the side of the detecting unit at equal intervals to form a plurality of dark surfaces and a plurality of reflecting surfaces. Between each of these dark faces. 9. The vehicle speed detecting device according to claim 1, wherein the rotating unit forms a plurality of concave portions and a plurality of reflecting surfaces at equal intervals on a side of the detecting unit, and the reflecting surface is disposed on each Between the recesses. 00/12/05/02:21 PM A 17 One C:\Linda\PK Pftt\PK10l94.doc